[gtk+/gtk-3-6] Add a missing va_end call

[Matthias Clasen <matthiasc src gnome org>]

commit 72b8e937d19a43986166196891719a0338e085ce
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 29 23:18:49 2012 -0500

    Add a missing va_end call
    
    va_copy must be matched with va_end.

 gtk/gtkwidget.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index c7313d6..7ff2424 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -857,6 +857,8 @@ gtk_widget_draw_marshallerv (GClosure     *closure,
 				param_types);
 
   cairo_restore (cr);
+
+  va_end (args_copy);
 }
 
 static void